Abstract
Research of new diagnosis or prognosis biomarkers is a major challenge for the management of patients with complex pathologies like cancer. Clinical proteomics is one of the recent approaches to identify these biomarkers in biological fluids. Over the last five years, many problems related to the variability and the quality control of these analyses have been observed. This was notably related to the different preanalytical status of each sample. A strong need for standardization of the critical preanalytical phases (collection, transport, processing, storage...) has been therefore recognized. With this goal in mind, working groups of the "Institut national du cancer" (INCa) and the "Société française de biologie clinique" (SFBC) proposed here preanalytical proteomics guidelines for the most common biological fluids: plasma, serum, urine and cerebrospinal fluid. To goal is to provide the basis for the harmonization of the procedures in clinical laboratories and biobanks to allow an optimal use of biological collections.
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